Finding the Fourth Proportional to 2,787.33, 4,179.83 and 938.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,787.33 : 4,179.83 = 938.00 : x
2. Step 2: Convert to fraction form
   2,787.33/4,179.83 = 938.00/x
3. Step 3: Cross multiply
   2,787.33x = 4,179.83 × 938.00
4. Step 4: Simplify right side
   2,787.33x = 3,920,654.95
5. Step 5: Solve for x
   x = 3,920,654.95/2,787.33
6. Step 6: Final answer
   x = 1,406.60